XSLT Error

    Empty filename at /home/ubuntu/perl5/perlbrew/perls/perl-5.18.0/lib/site_perl/5.18.0/Chameleon5/Template/XSLT.pm line 575.
    

Response XML

<?xml version="1.0"?>
<response>
  <form uuid="FCA628F4-2001-11EA-AEEA-1A0F4A0E2E26" method="post" key="login" uri="" encoding="&#x2713;">
    <field id="uuid-FCA65B6C-2001-11EA-AEEA-1A0F4A0E2E26" name="username" key="username" widget="text" attrs="" value="" display="Username"/>
    <field name="password" id="uuid-FCA686B4-2001-11EA-AEEA-1A0F4A0E2E26" display="Password" attrs="" key="password" widget="password"/>
    <field name="submit" id="uuid-FCA6BAC6-2001-11EA-AEEA-1A0F4A0E2E26" display="Login" value="" attrs="" widget="submit" key="submit"/>
  </form>
</response>